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3 years ago

The square pool at Sammie's gym has an area of 144 square feet. What is the length of the pool?

Mathematics

1 answer:

Nikolay [14]3 years ago

4 0

Answer:

12 square ft.

Step-by-step explanation:

A= l*w.

We already have the area so we have to work backwards.

144= l*w.

144/2= 12

let's plug it in.

144=12*12

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Step-by-step explanation:

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Which equation can be used to represent "three minus the difference of a number and one equals one-half of the difference of thr

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Answer:

3 - (n - 1) = 1/2(3n - 4)

Step-by-step explanation:

We want to write three minus the difference of a number and one equals one-half of the difference of three times the same number and four as an equation.

Let the number be n.

The first part is: three minus the difference of a number and one:

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Answer:

There were total 4 samples collected and each sample had a sample size of n = 100.

Step-by-step explanation:

We are given the following information in the question:

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$1^{st}\text{ sample was done in January with a sample size n = 100}$

$2^{nd}\text{ sample was done in March with a sample size n = 100}$

$3^{rd}\text{ sample was done in June with a sample size n = 100}$

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The area of a rectangle is 259 cm2 and its lenght is 18.5 cm find

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The breadth of rectangle is 14 cm

The perimeter of rectangle is 65 cm

<em><u>Solution:</u></em>

Given that,

Area of rectangle = 259 square centimeter

Length of rectangle = 18.5 cm

<em><u>The area of rectangle is given by formula:</u></em>

$Area\ of\ rectangle = length \times breadth$

<h3><u>Find the breadth:</u></h3>

Substitute the given values in above formula:

$259 = 18.5 \times breadth\\\\breadth = \frac{259}{18.5}\\\\breadth = 14$

Thus breadth is 14 cm

<h3><u>Find the perimeter:</u></h3>

The perimeter of rectangle is given by formula:

$Perimeter = 2(length + breadth)$

Substitute the given values in above formula:

$perimeter = 2(18.5+14)\\\\perimeter = 2(32.5)\\\\perimeter = 65$

Thus perimeter of rectangle is 65 cm

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